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https://github.com/PaperMC/Paper.git
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208 lines
12 KiB
Diff
208 lines
12 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Thu, 23 Nov 2023 10:33:25 -0800
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Subject: [PATCH] Don't fire sync events during worldgen
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Fixes EntityPotionEffectEvent
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Fixes EntityPoseChangeEvent
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Asynchronous chunk generation provides an opportunity for things
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to happen async that previously fired synchronous-only events. This
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patch is for mitigating those issues by various methods.
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Also fixes correctly marking/clearing the entity generation flag.
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This patch sets the generation flag anytime an entity is created
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via StructureTemplate before loading from NBT to catch uses of
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the flag during the loading logic. This patch clears the generation
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flag from an entity when added to a ServerLevel for the situation
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where generation happened directly to a ServerLevel and the
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entity still has the flag set.
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index c5e404dcdab14dc0b972aa3286b05e21d9ea67e0..aaaf5b91402a1562311dfdc287193a1aefbaf9a7 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -1224,6 +1224,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
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// CraftBukkit start
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private boolean addEntity(Entity entity, CreatureSpawnEvent.SpawnReason spawnReason) {
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org.spigotmc.AsyncCatcher.catchOp("entity add"); // Spigot
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+ entity.generation = false; // Paper - Don't fire sync event during generation; Reset flag if it was added during a ServerLevel generation process
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// Paper start - extra debug info
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if (entity.valid) {
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MinecraftServer.LOGGER.error("Attempted Double World add on {}", entity, new Throwable());
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 2e80d503d92f0b4f3d15e2bdd39ed55277d0c460..25890e244d8909fdd6f48e148209107a30e3382e 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -624,7 +624,11 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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if (pose == this.getPose()) {
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return;
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}
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- this.level.getCraftServer().getPluginManager().callEvent(new EntityPoseChangeEvent(this.getBukkitEntity(), Pose.values()[pose.ordinal()]));
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+ // Paper start - Don't fire sync event during generation
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+ if (!this.generation) {
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+ this.level.getCraftServer().getPluginManager().callEvent(new EntityPoseChangeEvent(this.getBukkitEntity(), Pose.values()[pose.ordinal()]));
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+ }
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+ // Paper end - Don't fire sync event during generation
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// CraftBukkit end
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this.entityData.set(Entity.DATA_POSE, pose);
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}
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diff --git a/src/main/java/net/minecraft/world/entity/EntityType.java b/src/main/java/net/minecraft/world/entity/EntityType.java
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index 5fb3279342506611882b5780cfbee0371919c93c..b98f9246b60daf31460f41ce214dfa7c011f5684 100644
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--- a/src/main/java/net/minecraft/world/entity/EntityType.java
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+++ b/src/main/java/net/minecraft/world/entity/EntityType.java
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@@ -592,9 +592,15 @@ public class EntityType<T extends Entity> implements FeatureElement, EntityTypeT
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}
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public static Optional<Entity> create(CompoundTag nbt, Level world) {
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+ // Paper start - Don't fire sync event during generation
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+ return create(nbt, world, false);
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+ }
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+ public static Optional<Entity> create(CompoundTag nbt, Level world, boolean generation) {
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+ // Paper end - Don't fire sync event during generation
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return Util.ifElse(EntityType.by(nbt).map((entitytypes) -> {
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return entitytypes.create(world);
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}), (entity) -> {
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+ if (generation) entity.generation = true; // Paper - Don't fire sync event during generation
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entity.load(nbt);
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}, () -> {
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EntityType.LOGGER.warn("Skipping Entity with id {}", nbt.getString("id"));
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index 2ad88bc281861f53b5d65ce81448a334849ffff0..2cbb4ff57117382791eefa4881fc0b328c77d58a 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -1138,6 +1138,11 @@ public abstract class LivingEntity extends Entity implements Attackable {
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}
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public boolean addEffect(MobEffectInstance mobeffect, @Nullable Entity entity, EntityPotionEffectEvent.Cause cause) {
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+ // Paper start - Don't fire sync event during generation
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+ return this.addEffect(mobeffect, entity, cause, true);
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+ }
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+ public boolean addEffect(MobEffectInstance mobeffect, @Nullable Entity entity, EntityPotionEffectEvent.Cause cause, boolean fireEvent) {
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+ // Paper end - Don't fire sync event during generation
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// org.spigotmc.AsyncCatcher.catchOp("effect add"); // Spigot // Paper - move to API
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if (this.isTickingEffects) {
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this.effectsToProcess.add(new ProcessableEffect(mobeffect, cause));
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@@ -1157,10 +1162,13 @@ public abstract class LivingEntity extends Entity implements Attackable {
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override = new MobEffectInstance(mobeffect1).update(mobeffect);
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}
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+ if (fireEvent) { // Paper - Don't fire sync event during generation
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EntityPotionEffectEvent event = CraftEventFactory.callEntityPotionEffectChangeEvent(this, mobeffect1, mobeffect, cause, override);
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+ override = event.isOverride(); // Paper - Don't fire sync event during generation
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if (event.isCancelled()) {
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return false;
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}
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+ } // Paper - Don't fire sync event during generation
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// CraftBukkit end
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if (mobeffect1 == null) {
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@@ -1169,7 +1177,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
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flag = true;
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mobeffect.onEffectAdded(this);
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// CraftBukkit start
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- } else if (event.isOverride()) {
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+ } else if (override) { // Paper - Don't fire sync event during generation
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mobeffect1.update(mobeffect);
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this.onEffectUpdated(mobeffect1, true, entity);
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// CraftBukkit end
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diff --git a/src/main/java/net/minecraft/world/entity/monster/Spider.java b/src/main/java/net/minecraft/world/entity/monster/Spider.java
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index 6006480d9f6d60bb7b5628eabe6740013066cde4..f0127f1b55999aa4a841341ad02cbcde45702b50 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/Spider.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/Spider.java
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@@ -172,7 +172,7 @@ public class Spider extends Monster {
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Holder<MobEffect> holder = entityspider_groupdataspider.effect;
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if (holder != null) {
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- this.addEffect(new MobEffectInstance(holder, -1), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.SPIDER_SPAWN); // CraftBukkit
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+ this.addEffect(new MobEffectInstance(holder, -1), null, org.bukkit.event.entity.EntityPotionEffectEvent.Cause.SPIDER_SPAWN, world instanceof net.minecraft.server.level.ServerLevel); // CraftBukkit
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}
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}
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
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index cf8258e8d46ca7286a66c38fa24af369bd9a279f..0555abfda468c343af8244a122ebe769e70a0292 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
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@@ -525,7 +525,7 @@ public class StructureTemplate {
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private static Optional<Entity> createEntityIgnoreException(ServerLevelAccessor world, CompoundTag nbt) {
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// CraftBukkit start
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// try {
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- return EntityType.create(nbt, world.getLevel());
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+ return EntityType.create(nbt, world.getLevel(), true); // Paper - Don't fire sync event during generation
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// } catch (Exception exception) {
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// return Optional.empty();
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// }
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java b/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java
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index 524b51a0ab808a0629c871ad813115abd4b49dbd..fceed3d08ee6f4c171685986bb19d2be592eedc6 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/DelegatedGeneratorAccess.java
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@@ -92,15 +92,17 @@ public abstract class DelegatedGeneratorAccess implements WorldGenLevel {
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return this.handle.getLevel();
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}
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- @Override
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- public void addFreshEntityWithPassengers(Entity arg0, CreatureSpawnEvent.SpawnReason arg1) {
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- this.handle.addFreshEntityWithPassengers(arg0, arg1);
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- }
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-
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- @Override
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- public void addFreshEntityWithPassengers(Entity entity) {
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- this.handle.addFreshEntityWithPassengers(entity);
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- }
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+ // Paper start - Don't fire sync event during generation; don't override these methods so all entities are run through addFreshEntity
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+ // @Override
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+ // public void addFreshEntityWithPassengers(Entity arg0, CreatureSpawnEvent.SpawnReason arg1) {
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+ // this.handle.addFreshEntityWithPassengers(arg0, arg1);
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+ // }
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+ //
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+ // @Override
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+ // public void addFreshEntityWithPassengers(Entity entity) {
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+ // this.handle.addFreshEntityWithPassengers(entity);
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+ // }
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+ // Paper end - Don't fire sync event during generation; don't override these methods
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@Override
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public ServerLevel getMinecraftWorld() {
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/TransformerGeneratorAccess.java b/src/main/java/org/bukkit/craftbukkit/util/TransformerGeneratorAccess.java
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index 35ecf6f824aca56a20280dd683123df1d0c7d66e..1d1fdcf10498c421f106158254e052da6d68d8a5 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/TransformerGeneratorAccess.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/TransformerGeneratorAccess.java
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@@ -39,21 +39,23 @@ public class TransformerGeneratorAccess extends DelegatedGeneratorAccess {
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return super.addFreshEntity(arg0, arg1);
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}
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- @Override
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- public void addFreshEntityWithPassengers(Entity entity) {
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- if (this.structureTransformer != null && !this.structureTransformer.transformEntity(entity)) {
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- return;
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- }
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- super.addFreshEntityWithPassengers(entity);
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- }
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-
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- @Override
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- public void addFreshEntityWithPassengers(Entity arg0, SpawnReason arg1) {
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- if (this.structureTransformer != null && !this.structureTransformer.transformEntity(arg0)) {
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- return;
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- }
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- super.addFreshEntityWithPassengers(arg0, arg1);
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- }
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+ // Paper start - Don't fire sync event during generation; don't override these methods so all entities are run through addFreshEntity
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+ // @Override
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+ // public void addFreshEntityWithPassengers(Entity entity) {
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+ // if (this.structureTransformer != null && !this.structureTransformer.transformEntity(entity)) {
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+ // return;
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+ // }
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+ // super.addFreshEntityWithPassengers(entity);
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+ // }
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+ //
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+ // @Override
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+ // public void addFreshEntityWithPassengers(Entity arg0, SpawnReason arg1) {
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+ // if (this.structureTransformer != null && !this.structureTransformer.transformEntity(arg0)) {
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+ // return;
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+ // }
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+ // super.addFreshEntityWithPassengers(arg0, arg1);
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+ // }
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+ // Paper end - Don't fire sync event during generation; don't override these methods
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public boolean setCraftBlock(BlockPos position, CraftBlockState craftBlockState, int i, int j) {
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if (this.structureTransformer != null) {
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